<template>      
    <div class="person">
        <h2>姓名：{{ name }}</h2>
        <h2>年龄：{{ age }}</h2>
        <button @click="changeName">修改名字</button>
        <button @click="changeAge">修改年龄</button>
        <button @click="showTel">查看联系方式</button>
        
    </div>
</template>

<script lang="ts"  setup >
    import {ref} from 'vue'

    let name = ref('张三')
    let age = ref(18)
    let tel='13888888888'
        
        //方法
        function changeName() {
            name.value='zhang-san' 
            console.log(name)
        }
        function changeAge(){
            age.value+=1
            console.log(age)
        }
        function showTel(){
            alert(tel)
        }
</script>